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| 1 | BEING A SPECIALISED GEO-TECHNICAL VESSEL & THE DRILL EQUIPMENTS ARE OLD & COMPLEX, ALL HYDRAULIC JOBS TO BE CARRIED ONLY BY HIGHLY SPECIALISED WORKSHOPS WHO HAVE CARRIED OUT SUCH JOBS ON BOARD IN THE DRY DOCK IN THE PAST AFTER OBTAINING APPROVAL FROM ONGC/SUPERINTENDENT/GEOTECHNICAL BASE MANAGER. FLUSHING OF THE HYDRAULIC SYSTEM TO BE CARRIED OUT BY ONLY HIGHLY SPECIALISED TEAMS WHO HAVE CARRIED OUT SUCH JOBS ON BOARD IN THE DRY DOCK IN THE PAST AFTER OBTAINING APPROVAL FROM ONGC/SUPERINTENDENT/GEOTECHNICAL BASE MANAGER. ALL HYDRAULIC PIPELINES TO BE PICKLED/FLUSHED TO ACCEPTABLE STANDARDS PRIOR USE. |
| 2 | G26001 POWER SWIVEL (Type 3-5/1.1-2.3-6.6/Ha): (Top Drive) |
| 3 | G26001.1The power swivel unit approx. weight is 3 tons. Workshop has to arrange all necessary handling tools, shore crane and skilled manpower to remove power swivel from vessel. Arrange necessary transport for both side transport of unit. After servicing the unit has to be fitted back to the place. Acceptance is subject to successfuk sea trials. Required tools - like wire slings length approx. 4mtr. capacity 5tons, D- Shackles, hydraulic jack, Gas cutter and chain blocks 5ton capacity to be provided by Vendor. |
| 4 | G26001.2Arrange MHWirth Service Engineer/suitable workshop to dismantle and overhaul power swivel complete unit, worn out part to be renewed. Max. Admissible oil for driving the power swivel = 420 LPMMax pressure – 250 bars. With l.h. speed.Max pressure – 200 bars. With r.h. speed.Dynamic load carrying capacity of power swivel = 40 MpStatic carrying capacity of power swivel = 60 Mp, 2 nos. Of hydraulic motor A2F 80Thrust bearing = SKF 51156 (dyn. 319 KN & Stat. 1460 KN), Self weight – 3 Tons.Power Swivel Chuck: I.D. – 210 mm, Max. Clamping dia. 205 mm, Incorporated clamping jaws for dia. 177.8 mm, Clamping rang dia. 174 – 180 mm. Max Static load carrying capacity 40 MP.Following equipment of power swivel to be overhauled in inclusion. Note: Currently sea water and gear oil were mixed up in power swivel 1) Power swivel rotary full unit- main sleeve inner ring (up and down) and seal (up and down) all bearings, all O rings, all gear wheels, pinion gears etc. 2) Power swivel planetary gear box - 2 nos. 3) Hydraulic Motors type A2F 80 -2nos. 4) Power swivel insert complete ( Wash pipe assy to be renewed). 5) Power swivel gear shifting mechanism -2 nos. 6) All the connecting hoses and end fittings of power swivel system to be renewed. 7) Lub oil pump Pipe lines to be renewed. 8) Chuck Cylinder fitment ring to be renewed and aligned properly - 2nos. 9) Dismantle and clean power insert, slush pipe, cross over sub,clamping jaw fixture and end ring. Replace worn out parts and bearings. 10) Axial roller bearing to be removed from the gear box. Dismantle and remove gear from the casing. If any damage or scoring mark found, surface area to prepared. 11) Assemble complete unit with proper greasing and packing gaskets. 12) Power swivel & cover / casings to be cleaned & coated with anti corrosive paint.Following spare are to be procured and renewed. |
| 5 | G26001.3a) Axial cylindrical roller bearings 81164 -320x400x63 - 2nos. |
| 6 | G26001.4b) Cylindrical roller bearings NJ 2312 - 2NOS. |
| 7 | G26001.5c) Needle bearings 300x380x80,NA 4860 - 1no. |
| 8 | G26001.6d) Needle bearings 300x380x80,NA 4864 - 1no. |
| 9 | G26001.7e) Grooved ball bearing 6010, DIN 625 - 1no |
| 10 | G26001.8f) Axial grooved ball bearing 51156, Messrs. SKF - 2nos. |
| 11 | G26001.9g) V- ring V-350 A, Messrs. Merkel.-2nos. |
| 12 | G26001.10h) Lube oil pump NRV - One set. |
| 13 | G26001.11i) Flange ball cock FFK, series 315, short type of construction DN 100,PN 40, no. 3151-0100-552086. |
| 14 | G26001.12j) Cylinder articulated bearings - 8nos. |
| 15 | G26001.13k) Seals and Orings - Make Merkel.- complete set. |
| 16 | G26001.14l) Techometer with Gauge (Analoge or Digital) Calibration Certificate to be submitted |
| 17 | G26001.15m) Ring (5800268) - Qty. 2nos. |
| 18 | G26001.16n) Gear wheel (5803470) - Qty. 1nos. |
| 19 | G26001.17o) Ring (5601385) - Qty. 2nos. |
| 20 | G26001.18p) Shaft Packing ring C 320 x 360 x 20 DIN 3760 - Qty. 4nos. |
| 21 | G26001.19q) Shaft Packing ring C 340 x 380 x 20 DIN 3760 - Qty. 4nos. |
| 22 | G26004 WET LAB |
| 23 | G26004.1To Renew wet lab door closer system. Note: All required spares to be provided by VENDOR. |
| 24 | G26004.2Gas filling and servicing of split air condition in wet lab (Make - Blue Star, Capaciry- 1 Ton). Note: All required spares in VENDOR. |
| 25 | G26005 RETAINING DEVICE: |
| 26 | G26005.1To Dismantle and Overhaul Qty-4 nos. of retaining device wedge hydraulic cylinder (Size of cylinder ø63/45 x 140mm) and Qty-2nos. Of clamp cyinder (Size of cylinder ø180/110 x 100mm) and also fabricate its end fittings. After overhauling hydro test to be carried out up 300 bars in presence of ship staff. Scope: Honing/Chrome plating if required, renew seal kit). Note: Job will to be rejected if found any kind of leakage from cylinder and found pin holes on piston rod. All required spares to be provided by VENDOR. |
| 27 | G26005.2Service retaining device hydraulic control system procure and replace all hydraulic control valves as per list- 1. Flow control valve- type -5MK10.G1.34 QTY-6 NOS, 2. ACCUMULATOR- Type -AS 11330CGUSF OCC V1P0-100 Qty-2 nos, 3. PRESSURE REDUCING V/V- MR R900532874 Qty- 3 nos, 4. Pressure VALVE-*533195* (SV15GA 1-42/5) - Qty-2 nos.Note: All required material to be provided by VENDOR. |
| 28 | G26006 CROWN BLOCK |
| 29 | G26006.1Crown block sheave to be serviced and renewed the worn out parts, like bearings, bushes, shaft, sheave, pin holders etc. if worn out. Size of sheave – Dia approx. –772mm. Wire size –26mm. After servicing fitted back to the place, and load test to be carried out up to 60 tons.(Note: Required shore crane for Approx height 30m,All required spares to be provided by VENDOR) |
| 30 | G26006.2Bit Load Indicator- hydraulic hose pipe 400 bar / 5800 psi - size 1/4\\" dia - length - 30 mtrs , bsp end fittings both side to be renewed. Hose and required fittings to be provided by VENDOR. |
| 31 | G26007 HOIST BLOCK |
| 32 | G26007.1Service hoist block spring trigger assembly. Procure and replace sheave bearings, mounting pins , bushes and cup springs Size of spring 125 x 64 x 5mm. Qty. 200 nos. Note: All required spares/material to be provided by VENDOR. |
| 33 | G26007.21) Hoist block sheaves to be serviced and worn out spares to be renewed. Size of sheaves – Dia 560MM approx –2nos. 2) Power swivel holding pins and bushes are worn Out, to be renewed. Size: - Dia 40mmx105mm –2nos. Dia – 30mm x95mm – 2nos –Dia 75x125mm –2nos. 3. Cylindrical roller bearing INA SL045024 -D -PP(AZ9) -2nos.,Spherical plain bearing SKF GE 60ES - 2RS/W 49 P - 2nos. (Note: All required material and spares to be provided by VENDOR). |
| 34 | G26007.3To service all horizontal (4nos.) as well as vertical (4nos.) guide roller of power swivel carriage. Renew worn out parts like roller, guide bush, roller pin, covers, all fasteners, etc. same as fitted.Note: Crane operation involved to remove power swivel carriage. After fitment of carriage, alignment to be carried out. All the required spares to be provided by VENDOR |
| 35 | G26008 DERRICKFollowing jobs to be carried out on derrick up to height 30 mts. above the drill floor. Yard to make staging and provide crane. Quoted cost must include cost of staging, crane etc. |
| 36 | G26008.1All snatch blocks (4 nos.- Dia - 300/300/320/650mm) and sheaves (4nos, Dia. 300mm) on derrick to be serviced. Capacity of snatch block – 8ton –2nos, 5tons – 4nos. Viz. Sheaves size – Dia. 300mm (Note: All required spares to be arranged by vendor). |
| 37 | G26008.2To inspect complete drill tower and its all joints (bolted as well as Welded joints) submit inspection report to the vessel, to renew corroded nut-bolts (HR8.8, Ø18mm, Hot deep galvanized) and connection or Gusset plate. Also inspect drill deck legs complete (below the upper deck) and apply anti rust coating on it. All the required material and spares to be provided by vendor. |
| 38 | G26008.3To inspect complete TGLT tower and its all joints (bolted as well as Welded joints) submit inspection report to the vessel, to renew corroded nut-bolts (HR8.8, Ø18mm, Hot deep galvanized) and connection or Gusset plate. All the required material and spares to be provided by vendor |
| 39 | G26008.4To service tong tool counter weight mechanism and renew wire rope as per fitted size.( Sheaves dia. 300mm, wire rope - 14mm x 35m wire rope, and de-shackles). Wire rope and alll the required material & spares to be provided by vendor |
| 40 | G26009 AIR PRESSURE VESSEL:A) Storage Air Presuure Vessel (SAPV): Specification: Capacity -1000LTS, Diameter -559mm. length – 5650mm, Working Pressure -250bar, testing pressure -300bar. Following jobs has to be done on SAPV: B80 |
| 41 | G26009.11) UT gauging to be carried out on SAPV and submit gauging report to the vessel. |
| 42 | G26009.22) Hydro test to be carried out on SAPV up to 300 bar, in presence of ship staff. Also submitt test certificate to vessel |
| 43 | G26009.33) To procure and Renew following items of SAPV:G26009.4a) Safety relief valve: Make - Sempell , Model - VSEO-400-AN3/4-75-IN1-16-102-124BN90, Pressure setting - 257 Bar. Qty. - 2no. |
| 44 | G26009.5b) Needle valve - Merwede , Model - 102TS-1/2 NPT Male/Female, 6000 PSI series. Suitable for air. Qty. - 1no. |
| 45 | G26009.6c) Pressure gauge - range 0-400 bar, body dia.-100mm, glycerin filled, Bottom connection 1/2 NPT male. Qty. - 1no. |
| 46 | G26009.7d) Solenoid operated 2 way valve: Hale Hamilton , Model - MV21-24V.DC. Qty. - 1no. |
| 47 | G26009.8e) Ball Valve: Flutec , Model KHBF25-3-3-1-2-3 ANSI2500RTJ, Material SS, Valve suitable for H.P. air 250 bar. Connection 1 ANSI2500RTJ. Qty. - 1no. |
| 48 | G26009.9f) Dewatering valve: CEK , Model 104-6130-EA, Material SS. Qty. 1no. |
| 49 | G26009.10g)All pressure pipe lines to be cleaned and pressure tested and if found faulty need to renew it . Internal cleaning to be done , releif valve to be overhauled and tested , Air bottle to be filled and releif valve to be tested and set for releif pressure |
| 50 | G26009 BB) Working Air Pressure vessel of HMC (HC-WAPV): Specification: Capacity -1200ltrs, diameter -559mm. length – 6350mm, Working pressure -200bar, Testing pressure -260bar. (located at derrick, 28 m hight) Following jobs has to be done on HC-WAPV: All the required material and spares to be provided by Vendor |
| 51 | G26009.111) UT gauging to be carried out on HC-WAPV. Submitt gauging report to the vessel. |
| 52 | G26009.122) Hydro test to be carried out on SAPV up to 260 bar, in presence of ship staff. Also submit test certificate to vessel |
| 53 | G26009.133) To procure and Renew following spares of HC-WAPV:G26009.14a) Safety relief valve: Make - Sempell , Model - VSEO-400-AN3/4-75-IN1-16-102-124BN90, Pressure setting - 206 Bar. Qty. - 1no. |
| 54 | G26009.15b) Needle valve - Merwede , Model - 102TS-1/2 NPT Male/Female, 6000 PSI series. Suitable for air. Qty. - 1no. |
| 55 | G26009.16c) Pressure gauge - range 0-400 bar, body dia.-100mm, glycerin filled, Bottom connection 1/2 NPT male.Qty. - 1no. |
| 56 | G26009.17d) Solenoid operated 2 way valve: Hale Hamilton , Model - MV21-24V.DC. Qty. - 1no. |
| 57 | G26009.18e) Tempreture transducer: Auxitrol , Model C-RP16-SS18-Z12V4-M50-125, Containing PT100 element. Stem length - 125mm, working pressure - 200bar, Three wire system. Qty. - 1no. |
| 58 | G26009.19f) Dewatering valve: CEK , Model 104-6130-EA, Material SS. Qty. 1no. |
| 59 | G26009 CC) Working Air Pressure vessel-TGLT (WAPV-TGLT) Specification: Capacity -1000 lts, diameter -559mm. length – 5350 mm, Working pressure -200bar, testing pressure -260bar. All the required spares to be provided by VENDOR |
| 60 | G26009.201) UT gauging to be carried out on WAPV-TGLT. Submit gauging report to the vessel. |
| 61 | G26009.212) Hydro test to be carried out on SAPV up to 260 bar, in presence of ship staff. Also submitt test certificate to vessel |
| 62 | G26009.223) To procure and Renew following spares of WAPV-TGLT:G26009.23a) Safety relief valve: Make - Sempell , Model - VSEO-400-AN3/4-75-IN1-16-102-124BN90, Pressure setting - 206 Bar. Qty. - 1no. |
| 63 | G26009.24b) Needle valve - Merwede , Model - 102TS-1/2 NPT Male/Female, 6000 PSI series. Suitable for air. Qty. - 2no. |
| 64 | G26009.25c) Pressure gauge - range 0-400 bar, body dia.-100mm, glycerin filled, Bottom connection 1/2 NPT male. Qty. - 2no. |
| 65 | G26009.26d) Dewatering valve: CEK , Model 104-6130-EA, Material SS. Qty. 1no. |
| 66 | G26009.27e) Ball Valve: Flutec , Model KHB16-SR-3-3-1-2, Material- SS, Valve suitable for H.P. air. Qty. - 1no. |
| 67 | G26009.28f) Ball Valve: Flutec , Model KHB12-SR-3-3-1-2, Material- SS, Valve suitable for H.P. air. Qty. - 1no. |
| 68 | G260010.2 |
| 69 | Air dryer unit to be serviced by OEM service Engineer. (OEM - DRY VENT LIMITED). Procure and supply following spares for Air drying Unit servicing.( Make DRY VENT LIMITED) 1) 3/8\\" Air Operated valves type K-38 (Pilot Valve) -04 nos. 2) Service Kit for air operated valves type K-38 (Pilot Valve)-04 nos. 3) 3/8\\" Non Return Valve -04 nos. 4) Pressure reducing valve-02 nos. 5) Pressure Maintaining valve - 02 nos. 6) Combined Orifice and Filter unit- 03 nos. 7) Ib. Desiccent typr 'W' (40 Kg) 8) Ib. Desiccent typr 'R' (40 Kg) 9) Absorber inserts 04 in nos |
| 70 | G260011 Overhauling of Heave Motion Compensator (HCTU)Make –HYDRADYNE Drawing no –136.182 EPLHMC unit has mounted on derrick at height of 28mts approx from drill floor. Scaffolding stage at height approx. 28mts and shore crane will be required to carry out below mentioned jobs.Note: Job to be allotted to the specialise workshop who has past experience of similar job scope.(Note: All required spares will be provided by Vendor). |
| 71 | G260011.1HMC unit remove and refit work scope.Remove A-frame located above the water table (water table located at height of 28m from drill floor) - First erect staging to remove A-frame top part after that remove both pats of A-Frame.Remove sheave head assembly from the top of HMC plunger cylinder.And then remove HMC Plunger cylinder from the derrick and shifted to shore workshop.Complete set has to be fitted back after servicing/repair of HMC unit. Note: All required tools . to be arranged by vendor, crane and staging to be done by Vendor.. |
| 72 | G260011.2Plunger ClylinderOEM Specification: Single acting hydraulic plunger Make - \\"Hydraudyne\\"Bore dia. 320mm Plunger dia. - 250mm, Stroke - 3700mm (including cushioning), Cushioning strokes - 100mm (Both Side), Working pressure - 200 bars, Design pressure - 200 bars (Cushioning area - 430 bar.), Test pressure - 280 bar., Maximum static load 160 tons (retracted plunger). Plunger Ni + Cr plated 100 + 50 microns. Cylinder design for use with water glycol. Procue, Supply and Install 1) Check valves \\"Rexroth\\" NW20 Model 301928 - 2 nos. 2) Relief valves \\"Rexroth\\" DBDS20K10/315J. Set for 230 bar cushioning pressure - 2 nos. 3) Measurement connectors \\"Voss\\" Model 685439. Built under IRS / DNV class supervision and issue certificate - 2 nos.Note – 1) The existing OEM \\"Hydraudyne\\" is not available in market, Rexroth Germany is alternate OEM for the same.2) Submit 2-year guarantee certificate to vessel.3) Submit certificate of Origin to the vessel. |
| 73 | G260011.3Overhauling of Heave Compensating SystemWork scope: 1) Dismantled plunger cylinder assemblly. Assembled the same with new seal kit (Markel make). Hydro test to be done up 350 bar pressure.2) Carryout Ni + Cr (100 + 50 micron) plating on the plunger OD. Required surface finish on rod OD is 0.4 micron. On completion of plating process NDT to be carried out in presence of ship staff. (material leads to be reject if found any scoring marks, pin holes, dent marks and ovality on plunger OD under NDT and visual inspection). 3) Barrel ID must be chrome plated (100 micron). Taper and ovality should not be more than 0.1 micron (It should be perfectly come under hole tolerance).5) Markel make Seal kit only to be used (Submit OEM seal certificate and procurement detailed document as well as certificate of origin to the vessel). 6) All fasteners to be used only Unbreako make - 12.9 grade with spring washer. 7) Both the check valves (2nos.) and relief valves (2nos) to be procured and installed (make – Rexroth).8) After completion of overhauling and assemble, unit has to be hydro tested up to 300 bars in presence of ship staff or GBM. 9) Before on-board fitment complete unit to be painted with double coat of epoxy white paint (on double coat of epoxy primer on sand blasted ground surface).Note: a) Conduct stage inspection with ship staff during dismantle process.b) Required Safe oil for hydro testing to be arranged by yard. Job will be rejected if observed any ovality at barrel ID after honing pin hole/scoring marks/ovality on plunger OD and leakages during hydro test. c) Submit following certificates to the vessel on completion of job.1) 2 years guaranty certificate.2) Cass (IRS OR DNV) approval certificate. |
| 74 | G260011.4Plunger accumulator “Hydraudyne”Specification as follows: Make - “Hydraudyne” Drawing no—136.184 EPL. Bore Dia. -- 320mm Stroke – 2740mm Working Pressure – 200 bar. And Test pressure 280bars capacity –220 L.Remove Plunger accumulator assembly from derrick and shifted to shore workshop. Work Scope:1) Dismantled and service . Procure and replace seal kit (Use Merkel or Hunger make seals only).2) To service damaged parts if any (if found heavy scoring marks on barrel ID honning/decrome ands Chromium platting to be done3) After servicing hydro testing to be carried out up to 300 Brs in presence of ship staff.4) Plunger accumulator outer body to be painted with epoxy white paint (after double coate of epoxy primer). (Note: Submit warranty certificate for period of two year. Note: All required spares to be provided by vendor). |
| 75 | G260011.5HMC nitrogen accumulator Location - fitted on derrick .Piston accumulator “Hydac” specification as follows:Bore Dia. -- 320mm, Plunger Dia. –250mm,Stroke – 2740mm, Working Pressure – 200barsand test pressure 280bars, capacity –20liter. Hydraulic medium – Water glycol, Pre fill pressure 25 bar N2.Shell and cover Inside and piston chemical Ni plated. To be procure and replace all fasteners with washers. Note: All required material to be provided by vendor. Submit OEM seal certificate and procurement detailed document to the vessel |
| 76 | G260011.6HMC sheave head assemble ‘s 2nos curved sheave including 3nos auxiliary sheave to be Serviced and worn parts to be renewed.Curved Sheaves shaft Dia.- 130mm.Wire size 36mm.Renew cylinderical roller bearings - SL-045026P/PP-4nos (INA)Renew cylinderical roller bearings - SL-04150PP-4nos (INA)Auxiliary sheaves Dia—606 mm wire size 38 mm –2nos, wire length 27 meters eachNote: All required material to be provided by Vendor. |
| 77 | G260012 Twin Guide Line Tensioning Unit (TGLT)Make –HYDRADYNE Drawing no –136.181 EPL. The unit is mounted on drill floor at height of 10mts approx. Following jobs to be carried out as per specification. |
| 78 | G260012.1TGLT Accumulator’s “Hydraudyne”:Twin Guide Line Tensioning Unit (TGLT)Specification Make: HYDRADYNE Drawing no –136.183 EPL. Size: - Bore Dia. – 280mm piston stroke – 2200mm capacity –135liters design pressure –200bar working pressure –200bar test pressure –280bar.Work Scope:1) Remove accumulator from the system (Unit mounted on drill floor at height of 5mts) 2) Dismantled the unit and procure and replace the piston seals (make Merkal/Hunger).3) Barrel ID to be honed (ovality and taper should not be more than 0.1mm).4) Assembled the unit and hydro test to be carried out at 280 bars in presence of ship staff.Note: Submit warranty certificate for period of 2 year. Job will be rejected if observed any ovality at barrel ID after honing and oil leakages. All required spares to be provided by vendor Scaffolding stage required at height approx. 5mts and shore crane assistance required to carry out above the jobs. by yard). |
| 79 | G260012.2Remove Single acting hydraulic plunger cylinder assembly from vessel and shifted to shore workshop. Dismantle and service the unit. After servicing complete unit to be fitted on-board with all accessories.Service work scope.1) Remove cylinder from the system (Unit mounted on drill floor at height of 5mts) 2) Procure and replace seal kit.3) Chrome plating to be done on plunger OD. Required surface finish on rod OD is 0.4 micron. On completion of plating process NDT to be carried out in presence of ship staff. (material leads to be rejected if found any scoring marks, pin holes, dent marks and ovality on plunger OD under NDT and visual inspection). 4) Barrel honning to be done (Taper and ovality shoud not be more than 0.1mm). 5) After servicing hydro testing to be carried out at 300 bars in presence of ship staff.6) TGLT outer body to be painted with epoxy white paint (after double coate of epoxy primer).Note: 1) Submit warranty certificate for period of 2 year.2) Submit hydrotest certificate to the vessel.3) Job will be rejected if observed any ovality at barrel ID after honing pin hole/scoring marks on plunger after repair and oil leakages. 4) All required material to be provided by Vendor.5) Scaffolding stage required at height approx. 10mts and shore crane assistance required to carry out above jobs by yard. |
| 80 | G260013 Hydraulic Power and control unit (HPCU) This power pack use to charge HMC as well as TGLT unit. with manifold block |
| 81 | G260013.1This job to be carried out by specialised hydraulic workshop that has satisfactorily carried out the job in the past. OVERHAULING OF HYDRAULIC PUMP :SCOPE OF WORKS:All the following hydraulic pump to be overhauled. Overhauling shall include the following jobs but not limited to:a) To disconnect the motor and hydraulic pump & remove from place. To dismantle the motor and hyd pump, clean & inspect all parts.c) Hydraulic Pump to be overhauled and pressure testing done d) hydraulic pump to be fitted in place & alignede) hydraulic pump & cover / casings to be cleaned & coated with anti corrosive paintf) hydraulic pump to be fitted back, connected & tried out with respective loads for satisfactory operationNote: All required spares to be provided by vendor. |
| 82 | G260013.2Oil tank – 880 L.to be Emptied and Cleaned Qty –1nos. And oil tank vixen glass (approx-2 feet) -01 nos cleaning.Note: All required material to be provided by vendor. |
| 83 | G260013.3Pump – Axial Plunger pump (Hydromatik) – A2F12R6.1P6, Q- 17 lpm at 1445 rpm. |
| 84 | G260013.4Gear pump, 1PF2424 x 1005 RC 20 MB (Rexroth), Q – 7 lpm, Pressure – 200 bars. |
| 85 | G260013.5To service manifold block of HPCU hydraulic control. Procure and renew its all hydraulic hoses (no. of hoses 11nos., Max hose size 38S x 1.5m long) ball valve (6 No.'s & size - 3/4 BSP female 350 bars.) (SS-high pressure) Shaft coupling set with star coupling pad for both the motor etc..After servicing test/trial to be carried out in presence of ship staff. Note: Note: All required materials and spares to be provided by vendor. |
| 86 | G260014 Drilling Winch (Winch No. #1): |
| 87 | G260014.1Overhauling of Drill Winch Gear Box and Hydraulic Motor: Drilling Winch reduction Gear Box to be overhauled. Renew bearings, oil seals and worn out gears. (Gear Box size – L1500MM X B 360MM X H 800MM.) UT gauging to be carried out on winch foundation, and renew thinned steel plates. On completion the renewed steel to be fully painted. (as per paint Scheme) Procure and renew following items:1) Line NRV valve (high pressure 400bar) 1/2\\" (FxF socket at both end) - Qty. 4nos.2) 38S \\"T\\" (MxFxM) - Qty. 4nos.3) Reducer 38S x 16S (MxM) - Qty. 4nos.4) Adaptor G1/2\\" x 16S (MxM) - Qty. 8nos.5) Flow restrictor - MK10 G1X/JY (R901116007) - Qty. 2nos.6) Male adaptor 16Sx1/4\\" (MxM) - Qty. 4nos7) Pipe: OD 16mm seamless carcon tube 5m long.8) Hydraulic hose (R2) G1/4\\" (FSxFS) x 1m long.Note: All required spares to be provided by vendor. Crane operation involve to removing and fitting back the Reduction gear. Transportation work also involves, to taking up the reduction gear box to workshop for repairing and bringing back to vessel after repairing. |
| 88 | G260014.2TO PROCURE AND RENEW DRILLING WINCH #1 BEARINGSCylindrical bearing, 22232 CCK/W33 + H3132, Stop ring- FRB 17/290, Bearing SNL 516-613, Cylindrical bearing, 22216 EK + H316, Stop ring- FRB 12.5/110P, Cylindrical roller bearing- 30320 J2, Cylindrical roller bearing- 30317 J2, Cylindrical roller bearing- 30313 J2/Q, Taper roller bearing 23034.Note: All required spares to be provided by vendor. Crane operation involve to removing and fitting back the Reduction gear. Transportation work also involves, to taking up the reduction gear box to workshop for repairing and bringing back to vessel after repairing. |
| 89 | G260014.3To Arrange winch manufacturer (OEM- Sauer Engineering) or gear box manufacturer to health check-up of Drilling winch gear box. After inspection gear box health report submit to vessel (report should include existing conditions of gears, % of worn out and remaining life of gears. |
| 90 | G260015 SBF Winch (Winch No. #2) |
| 91 | G260015.1To service SBF winch and fleet compensate shaft and renewed worn out parts like bearing, bushes etc. To Renew all bearings of SBF winch and guide shaft: All required spares/material will be provided by yard. 1) SNL 516-613, 2) 22216 EK +H316, 3) FRP 12.5/140, 4) 32024. 5) 22216E. 6) guide shaft bearing as per sample - 2 nos. 7) GE 100ES -2nos.Note: All the required material and spares to be provided by vendor. |
| 92 | G260015.2To Service 2 nos. of break hydraulic cylinder. Procure and Renew seal kit (Use Merkel or Hunger make seals only). After overhauling hydro test to be carried out up 300 bars in presence of ship staff. Hydraulic cyilinder to be fitted back after servicing.Note: Job will to be rejected if found any king of leakage from cylinder and found pin holes on piston rod. Size of cylinder - ø85 x ø60 x 50mm (18-ton load capacity) |
| 93 | G260015.3Procure and renew worn out brake lining pads (Ferro do type). Size -3/4”x 95mm x 4000mm circumference -4nos, size of counter shank bolts with nuts -5/16” x 40mm length, material brass – 200nos. Note: All required spares/material will be provided by vendor. |
| 94 | G260015.4To overhaul both hydraulic motor of SBF winch and damaged part to be renewed. Note: All required spares/material will be provided by vendor. |
| 95 | G260015.5To overhauling/ renewal of SBF hydraulic direction control valve and hydraulic block (presure relife valve, cartridge valve, presure control valve etc) Note: All required spares/material will be provided by vendor. |
| 96 | G260016 All purpose handling winch (Winch #7) |
| 97 | G260016.1To service complete unit winch #7 with service hydraulic motor. Note: All required spares to be provided by vendor. |
| 98 | G260016.2To be service manifold of winch#7. Procure and Renew all hydraulic hoses of winch#7 with metric slandered end fittings. Supply two spare set of hoses. (Note: Required spares to be provided by Vendor. Hose size: 38S F/F x 1.5m x 1no., 20S F/F x 1.5m x 2nos. And 30S F/SAE x 1.5m x 1no. ) |
| 99 | G260016.3Procure and Renew all bearings of winch#7. 1) SNL 532, 2) 22232 CCK/C3W33 +H3132, 3) FRB 17/290. 4) 515-612, 5) 22215CK +H315, 6) FRB 12.5/130Note: All required spares/material will be provided by vendor. |
| 100 | G260017 Air Tugger winch |
| 101 | To service and overhaul 01 No. Air Tugger Winch on drill floor Also one Air Tugger winch will be supplied by the vessel and the same to be installed . If foundation is not matching with new procured winch ,then foundation modification is required to be done. SPECIFicaTION Max load- 2 tion , Rope speed- 13M/MIN, Air consumption-72 L/S, Load at max motor power -1.5 ton, rope dia -13mm, air hose diameter-25mm, Air pressur-6.3 bar, Drum capacity-260 mtr. Procure and replace air filter and lubricator/regulator same as fitted of air tugger winch. Qty. 2 nos. (Note: All required spares will be provided by VENDOR). |
| 102 | G260018 Sea Bed Frame |
| 103 | G260018.1SBF wire rope guide Teflon bush (in utility guide frame) both side worn out, Qty - 6nos. same to be procured and renewed. (All required material & spares to be provied by VENDOR) Bush Size - Ø 160/50 x 200mm |
| 104 | G260018.2To service SBF carriage and SBF Roller Qty - 04 nos. roller and renewed worn out parts like bearing, bearing axiles, bushes, bolts, nuts etc. Roller bearing - FAG 22312 -E1 - 4nos. Note: All required material to be provided by VENDOR. |
| 105 | G260018.3To renew Moon pool closing door roller 4 nos renewed worn out parts like bearing, bearing axiles, bushes, bolts, nuts etc. (All required material and spares to be provied by VENDOR) |
| 106 | G260018.4To be fabricate/repair SBF locking pin hole 4 nos. Sliding movement of Pins on the front flat edge to be renewed/repaired. All Broken Allen bolts on the Back Plate to be removed/ cleaned and Re- Tapping to be done |
| 107 | G260018.5To renewed SBF self tension winch panel board lock |
| 108 | G260019 3 TON CRANEMake – Mape Nantes France Telescopic Crane Characteristics: Hoisting - 3m, 12.7m reach, speed - 30 m/min, pressure - 150 bar, Flowrate 100 l/min. To be overhauled as per OEM drawing , no modification required. |
| 109 | G260019.1To arrange Service Engineer from MAPE or equivalent Crane OEM for proper inspection of swing gear box & hoisting winch gear box and provide proper solutions for maintaining the efficient & safe crane operations. |
| 110 | G260019.2Workshop assistance is required to Dismantled and overhaul Hoisting winch of 3 ton crane. Service gear box, break cylinder, Renew the hoisting winch foundation suspension damper, break pads (2 nos.), gears. (Note: All required material and spares to be provided by vendor). |
| 111 | G260019.3To Overhaul swing gear box and motor, renew worn-out spares like bearings, seals, gear, braking system, etc. Note: Required staging for height 5m. All required spares to be provided by vendor. |
| 112 | G260020 HYDRAULIC PIPELINESThis job to be carried out by specialised hydraulic workshop that has satisfactorily carried out the job in the past. Following Hyd pipelines of Hyd system’s are badly corroded and thinned down, to be renewed with necessary Ermeto fitting, SAE flanges with viton “o” ring groove space and pipe should be secured up properly with supports and clamps. Note: New fabricated pipes to be fitted only after chemical pickling & hydro testing up to 350 bars.(Aplicable to all hydraulic pipeline jobs) |
| 113 | G260020.1To renew pilot pressure line from moon pool bulkhead penetration to Wirth room. Dia of tube - 30mm, Total length of tube = approx.25mtr, No of bends = 9nos, No of joints = 6nos ( 4nos of 30 S coupling and 2nos of square block) & Ball valve - 1no.(Note: All required material and spares to be provided by vendor) |
| 114 | G260020.2To renew main hyd line drain/return line from moon pool area Size – 4\\" total length approx – 8mtr, No of bends = 6nos, flanges 6 nos.with ASTM 3 ST DIN 2391 seamless carbon steel pipe. (All required material and spares to be provided by vendor) |
| 115 | G260020.3To renew of pilot control drain/return line from moon pool to wirth room. Size – OD 49mmx ID 40mm, total length approx – 25m, No of bends = 9nos,. with ASTM 3 ST DIN 2391 seamless carbon steel pipe. (All required material and spares to be provided by vendor) |
| 116 | G260020.4Modification of main hydraulic pressure line near SBF winch size: 100 mm, L- 6 mtr approx with 1 no. bend. SHED.160 flange old use (All required material and spares to be provided by vendor) |
| 117 | G260020.5Procure and install 3 No isolating valves (1 1/2\\",3/4'' and 1/2 '') for SBF winch hydraulic lines, pilot pressure line, main pressure line and main return line. (Note: All required spares to be provided by vendor) |
| 118 | G260020.6To renew pilot pressure and return line from all purpose handling winch to drilling winch. Renew following hydraulic pipe line corroded and thin down: ms.pipe sch-80- od 21 mm - 12 mtr. and od 33 mm -6 mtr with ( 4nos of 45 mmx45mm coupling and 2nos of square block) ( 4nos of 66 mmx66mm coupling and 2nos of square block) (Note: All required material and spares to be provided by vendor) |
| 119 | G260020.7Modification of main hydraulic pressure line corroded and thin down. same to be renewed. (drilling winch toall purpose winch) pipe line ms sch -80-pipe 28mm, 2mtr. square block 66mmx66cmx66mm -02 nos . (Note: All required material and spares to be provided by vendor) |
| 120 | G260020.8Power pack no 03 suction pipe line 4” opened and chemical cleaning and pressure test 25 bar – 7 mtr |
| 121 | G260020.9To procure and replace 2nos. Return line filter assembly. Valve leakage observed on filter body to be repaired. crane power pack.1) Main power pack return line filter unit - Make - HYDAC, Element - 1300 R020 BN HC, 800l/min, pressure max -25bar,20 Microns, bypass - 3bar, Ref. - RFLD BN /HC 1301 F 20 C 1.1 2) 3ton carne power pack return line filter unit - Make - HYDAC, Element - 850 R020 BN HC, 440l/min, pressure max -25bar,20 Microns, bypass - 3bar, Ref. - RFLD BN /HC 1301 F 20 C 1.1 Note: All required material to be provided by vendor. |
| 122 | G260020.10Hyd Oil tank capacity 2000 Lts to be Emptied and Cleaned Qty –1nos. And oil tank measuring vision glass (approx-1 feet) -02 nos renewed..Note: All required material to be provided by vendor. |
| 123 | G260021 DD pump pipe line and hydraulic cooler inlet & outlet pipe line |
| 124 | G260021.1Hydraulic cooler seawater cooling inlet and out pipeline and strainer‘s body are badly corroded and thinned down, Chemical cleaning of the line to be done. Line to be pressure tested and thin down portion of the pipe to be renewed. After renewal pressure test to be done upto 25 bar.New as well as old parts to be painted with epoxy paint (same as existing one) with double cote of epoxy primer. (All required spares to be provied by vendor). 1. Size of strainer body and s.s strainer renewal: OD- 200mmx 350mm height With blank flange cover.2. Inlet pipeline Size – 4” NBx 25mts long MS 80 sech. pipe with 8nos bends, 3nos t joint and 10nos U clamps. 3. 3”x 5mts long 80sech Inlet pipe with 6bends and 4nos reducer 3”x2”.4. Outlet pipeline size -4” x 6mts long 80sech pipe with 6nos bends, 3nos t joint and 5nos U clamps.5. 3”x 5mts long 80sech outlet pipe with 6bends and 4nos reducer 3”x2” 2\\"pipe -5mtr. gate valve 4\\"- 01 no -reneval, glob valve 4\\"-3 nos servicing, gate valve3\\"-2 nos servicing |
| 125 | G260021.24nos power pack hyd coolers to be chemical cleaned and pressure test at 7 bars. Tube type heat Exchanger approximately 200 tubes in each cooler and tube inner dia 8mm. Renew damaged tubes and new zinc (anode)- 24 nos fixed. and vessel same place fixed back. Size: Dia 280mm x 1mts long --Qty - 2 nos Dia 280 mm x 60 cm long Qty - 2 nosSCOPE OF WORK:a) To disconnect the fresh water and sea water inlet /outlet connections. Coolers are to be taken out to Yard.b) To remove end covers. Tube stack is to be removed and cleaned chemically. End covers and shell is to be chipped/cleaned and applied with anticorrosive paint. External surfaces of the cooler also to be prime coated and painted.c) Pressure testing of both SWside and FW sides to be carried out as per ship-staff instructions. Leaky tubes (if any) to be renewed and cooler to re-pressure tested.d) Zinc anode to be renewed on both end covers. e) To assemble the cooler after renewing gaskets, rubber rings, fasteners etc. Cooler to be shifted to the vessel.f) All pipe connections to be fitted back.Note: All required material to be provided by vendor. |
| 126 | G260022 Sea water filling line |
| 127 | G260022.1Mud tank #2 and #3 seawater filling pipeline OD 100 mm, schedule 80 to be pressure tested at 25 bar and leaking portion or damaged portion to be cropped and renewed. Consider 10 mtrs pipeline to be renewed and fitted back with painting. gate valve 4\\"-1 no,butterflay valve 4\\"-4 nos in the line to be overhauled and fitted back with painting. (Note: All required material and spares to be provided by vendor). |
| 128 | G260022.2Mud tank No- 2&3 sea water flushing jet line to be opened and chemical cleaning to be done. After pressure test upto 25 bar any damaged portion to be renewed. After pressure test and renewal Fix the pipeline at the same place with operating system. Siz:- Size -2 1/2 ” NB x 15 meters Approx. 80Sch (All required spares to be provided by vendor). Pipeline to be fitted back after painting. |
| 129 | G260023Mud suction line |
| 130 | G260023.1LP Mud system suction pipelines of mud tank # 1, 2 & 3, to be removed, cleaned chemical then pressure test to be carried out up to 25 bar any damaged pipe line to be renewed. Pipeline to be secured up with proper supports at the same place.Size- 6\\" X total length approx.42 meters, 80Sech MS Galvanized Pipes. T joint approximately 10nos, bends, 30nos. standing gear wheel - 6-nos., butterflay valve 6\\" 16 nos, U clamps. Use same flanges, if flanges found thinned down replace with new.(All required spares to be provied by vendor) |
| 131 | G260024 Mud circulation line |
| 132 | G260024.1Mud transfer and mud circulation pump’s discharge pipelines to be removed, cleaned chemical pickling then carried the pressure test up to 40bar, then secured up with proper supports and clamps open and fixed back same place. Size -4” x 26 meters Approx. 80Sch. Ms Pipe. MS Galvanized Pipe. T joint approximately 10 nos. Butterfly valve 4\\"-06 nos open servicing or renewal.Bends -30 nos., U clamps. Use same flanges(All required spares to be provied by VENDOR) |
| 133 | G260025 Strainer to compressor room and self tension winch cooler |
| 134 | G26025.1Strainer to compressor cooler and self tension winch cooler to be removed, cleaned chemical then pressure test to be carried out up to 25 bar. Any damaged pipeline to be renuwed and then the pipe line to secured up at the same place with proper supports. Size -3” x 18 meters Approx. 80Sch. gat valve 3\\"-1 no. 1 1/2\\" x 10 meters Approx. 80Sch. gate valve 1 1/2\\"-1 nos. bends.5 nos. U clamps. Use same flanges (All required spares to be provided by VENDOR) |
| 135 | G26025.2Self tension winch cooler to be removed, chemical cleaned then pressure test to be carried out up to 7 bar any damaged tube to be renewed then secured up with proper supports fixed back same place. Size:82cm x 14cm |
| 136 | G26025.3Diving room HP compressor cooling sea water pipe line to be removed, cleaned chemical then pressure test to be carried out up to 20 bar Pipe size: 2\\" |
| 137 | G260026 Mud pump to power swivel mud pressure line |
| 138 | G260026.1Mud pump mud pressure line discharge pipelines to be removed, cleaned chemical pickling then carried the pressure test up to 40bar, then secured up with proper supports and clamps open and fixed back same place. Size -4” 16 meters Approx. 80Sch. Ms Pipe. Size -3 1/2” 15 meters Approx. 80Sch. Ms Pipe. joint approximately 8nos. Size -3 1/2” 15 meters Approx. 80Sch. Ms Pipe. islotion valve ( ball valve)10\\"-1 nos open servicing or renuval. and 3/4\\" ball valve -1 no - 250 bar.bends.4 nos. U clamps. Use same flanges(All required spares to be provied by VENDOR) |
| 139 | G260027 Mud Transfer Pump |
| 140 | G260027.12 Nos. centrifugal mud pumps required to complete overhaul worn out parts to be renew after overhaul proper alignment required. Centrifugal pump to be fitted in place & aligned Note: Crane required for removal of pump(All required spares to be provied by VENDOR) |
| 141 | G260028 MUD PUMPS |
| 142 | G260028.1Overhaul Mud Pumps No- 1 & 2 complete, by OEM during Dry Dock. gears backlash and bearings axial movement to be checked and if found above permissible readings to be renewed. Crosslide play to be checked and if found above permissible limit need to be rectified.Make- Wirth Type 5”x5” x 70 Triplex pumps. After overhauling satisfactory trial to be conducted. Max. Delivery 1208 l/min. Max. Operating pressure – 22 bars.Note: All required spares/material will be provided by VENDOR. |
| 143 | G260029 CALIBRATIONTo Calibrate following items of Triaxial unit’s dial gauges and submit calibration certificate to the vessel. |
| 144 | G26029.6To Arrange Wykeham Farrance Service Engineer to service/calibrate Triaxle UU (UTM) testing machine. Renew faulty/worn out spares. |
| 145 | G26029.7To Calibrate Miniature spring set (Make: Wykeham Farrance) - 3 set (each 4nos.). and submit calibration certificate to the vessel. |
| 146 | G26029.8To Arrange HIECO Service Engineer to service/calibrate Triaxle UU (UTM) testing machine. Renew faulty/worn out spares. Please Enable Macros to View BoQ information |
